GB519898A - Improvements in or relating to counters and registers - Google Patents

Improvements in or relating to counters and registers

Info

Publication number
GB519898A
GB519898A GB29036/38A GB2903638A GB519898A GB 519898 A GB519898 A GB 519898A GB 29036/38 A GB29036/38 A GB 29036/38A GB 2903638 A GB2903638 A GB 2903638A GB 519898 A GB519898 A GB 519898A
Authority
GB
United Kingdom
Prior art keywords
contacts
magnet
cam
balls
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB29036/38A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Tabulating Machine Co Ltd
Original Assignee
British Tabulating Machine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British Tabulating Machine Co Ltd filed Critical British Tabulating Machine Co Ltd
Publication of GB519898A publication Critical patent/GB519898A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Conveying Record Carriers (AREA)
GB29036/38A 1937-10-07 1938-10-06 Improvements in or relating to counters and registers Expired GB519898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE519898X 1937-10-07

Publications (1)

Publication Number Publication Date
GB519898A true GB519898A (en) 1940-04-09

Family

ID=6550704

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29036/38A Expired GB519898A (en) 1937-10-07 1938-10-06 Improvements in or relating to counters and registers

Country Status (4)

Country Link
US (1) US2237153A (pm)
FR (1) FR844118A (pm)
GB (1) GB519898A (pm)
NL (1) NL66321C (pm)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2790601A (en) * 1957-04-30 Hecht
US2508965A (en) * 1943-12-23 1950-05-23 Namenyi-Katz Laszlo Counting apparatus
US2439445A (en) * 1944-12-09 1948-04-13 Ibm Combinational code entry controlling means for accumulators
FR994028A (pm) * 1945-06-22 1951-11-21
GB676416A (en) * 1948-07-15 1952-07-30 Leslie Delfin Improvements in calculating machines
US2928595A (en) * 1953-06-08 1960-03-15 Charles J Goodale Computing apparatus

Also Published As

Publication number Publication date
FR844118A (fr) 1939-07-19
NL66321C (pm)
US2237153A (en) 1941-04-01

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